George,Mary. (1991). Fertilizer consumption and agricultural development in a developing economy. Classical.
シカゴスタイル引用形George,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. New Delhi: Classical, 1991.
MLA引用形式George,Mary. Fertilizer Consumption and Agricultural Development in a Developing Economy. Classical, 1991.
警告: この引用は必ずしも正確ではありません.